Retro-bit prototype Saturn stick and wireless DC controllers.
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Retro-Bit is showing off a Saturn arcade stick and wireless Dreamcast controller
https://www.destructoid.com/retro-bit-is-showing-off-a-saturn-arcade-stick-and-wireless-dreamcast-controller/
For all your quarter-circling.
Hopefully it won't take five or six years between showing a prototype and production as it was with the Saturn Pro controller.